Absorbent article

An absorbent article having a longitudinal direction, a lateral direction intersecting the longitudinal direction, and a front-back direction intersecting the longitudinal direction and the lateral direction,

• the absorbent article comprising:
• a front waist portion extending along the lateral direction;
• a back waist portion extending along the lateral direction;
• and
• a crotch portion provided between the front waist portion and the back waist portion,
• a one-side end portion of the back waist portion on a one side in the lateral direction being joined to a one-side end portion of the front waist portion on the one side in the lateral direction,
• the back waist portion including a fastening portion on another side in the lateral direction,
• when putting on the absorbent article, the fastening portion projecting laterally from the back waist portion and being capable of being fastened to the front waist portion,
• the back waist portion including an elastic region in at least an upper end portion,
• the elastic region extending along the lateral direction,
• a lateral distance between a lateral one-side end of the elastic region on the one side and a lateral center of the crotch portion being smaller than a lateral distance between a lateral other-side end of the elastic region on the other side and the lateral center of the crotch portion.